Fresh warnings are being issued about a heavy dump of snow across Gloucestershire tonight and tomorrow.

Highways teams were this evening gritting as heavy snow fell across the Forest of Dean, Cheltenham, Gloucester, Cotswolds and Stroud Valleys. Bristol Airport has suspended flights until tomorrow morning and driving conditions along the M5 corridor are expected to be hazardous all evening.Temperatures are expected to drop down to -1C overnight and up to 10cm of snow is possible in some places such as the Forest of Dean.Flurries across the county should ease from midnight, but will continue until the early hours in the Forest. Tomorrow (Wednesday) will stay freezing all day and then temperatures will fall to -3C.Charlie Powell, from the Met Office, said: "There is a cocktail on wintry weather still with us. "There is an amber snow warning affecting the south part of Gloucestershire and a yellow warning elsewhere in the county."This means you can expect around two to five centimetres of snow overnight."I would expect that there would be further flurries tomorrow as well in parts of the county."Generally speaking the situation is improving but drivers will face tough conditions again tomorrow and possibly throughout the week."

The Highways Agency is this evening warning drivers to take extra care on the roads this evening.

Action plans with police and local authorities have been activated for the A417 in the Cotswolds (at Crickley and Birdlip Hill). Extra resources including heavy vehicle recovery teams are in place.

Even where snow has not fallen, there is a risk of rainwater turning to ice.

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Gill Risdale, Highways Agency Operations Manager for the South West, said: "Our winter fleet works around the clock and roads across the South West will continue to be treated whenever there is a risk of ice or snow.

"During severe winter weather drivers should check road conditions and the weather forecast before setting out,and if conditions are poor and journeys are not essential they should think about delaying until conditions improve. Drivers who do set out are advised to take extra care, to leave plenty of extra time for their journeys, and to leave enough distance between vehicles to stop safely. While driving they should listen to travel bulletins on the radio and take a severe weather emergency kit including warm clothes, food, water, boots, a torch and spade for snow."